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Files for download

p2a_8272.jpg 78.8kB (2005-07-22 02:40)
Interface board mounted inside ZX Spectrum +2A.
p3dosfdc.pdf 118.9kB (2004-01-10 06:18)
Repainted schematics and board layout in PDF file by CSS EL, 2004. (Original file name: +3DOS FDC Version 1.0.pdf.)
plus3bfloppydiskinterfaceschematics.gif 152.1kB (2002-09-20 20:23)
Schematics of original disk interface for ZX Spectrum +2A (with SEC9420C chip).
zx_radic_89k.jpg 87.1kB (2002-09-15 18:00)
Floppy interface for ZX+2A (uses its port decoding and 74S188 PROM). The same schematic can be found in the journal Amaterske Radio line A 12/1989 page 457.
p2p3sch.gif 90.3kB (2002-03-03 17:09)
Schematics redrawn by Philip Mulrane, 2002. (Uses ZX+2A build-in port decoding and 74S188 PROM.)

Links to other pages

http://www.simandl.cz/stranky/zxs/zxs.htm
The construction idea by Peter Simandl.
http://www.worldofspectrum.org/BackToThePlus3/
External FDC interface for ZX Spectrum +2A made by Philip Mulrane.

See also

DSKHNDLR
Low level floppy and hard disk drivers for Z80.
YAMOD.FDC765A
The FDC interface, compatibile to ZX Spectrum +3 or YABUS.ZXISA.
PL3MEM - ZX Spectrum IDE (ATA)
External box for ZX Spectrum with 128kB EPROM, 32kB SRAM in ZX+3 switching and 16b IDE interface.
ZXVGS P3M
ZXVGS for PL3MEM interface and ZX Spectrum +3 upgrade. Supports floppy disk and IDE interface.

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CPC
4MB RAM
Flash ROM
To 128
Sam Coupé
SAM512
Portfix
YABUS.Z80RTC
Z80JOY
MSX
Mapper 4MB
MSX-2 SVI738
Spectrum
FlashD0
8251
AY
Eniac'owe
Dock
Gama 192
Keyboard
ROM replacer
SamRam
TC2144
To 128K
To +3
Wonder RAM
Z80JOY
ZX 4MB
ZXMUX
Timex
Memory
Timex FDD
YABUS.TF
YABUS.TF3
TI-of-TTL
ZX81
Memory

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© 2009-12-28 21:50 Jarek Adamski, http://8bit.yarek.pl